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    <meta charset="UTF-8">
    <title>Title</title>
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        body>div{
            width: 366px;
            height: 233px;
            background-color: #E8E8E8;
            overflow: hidden;
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        #top_div{
            background-color: #0AA1ED;
            color: white;
            font-weight: bold;
            margin: auto 0;
            border-right: 2px;
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        .c1{
            font-size: 12px;
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        ul{
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<div>
    <div id="top_div">
        <img src="computer_icon1.png" alt="">
        <span>电脑,办公/1F</span>
    </div>
    <div class="c1">
        <p>电脑整机</p>
        <ul>
            <li>笔记本</li>
            <li>游戏机</li>
            <li>台式机</li>
            <li>一体机</li>
            <li>服务器</li>
            <li>联想</li>
        </ul>
    </div>
    <div class="c1">
        <p>电脑配件</p>
        <ul>
            <li>CPU</li>
            <li>SSD</li>
            <li>硬盘</li>
            <li>显示器</li>
            <li>显卡</li>
            <li>组装电脑机箱</li>
        </ul>
    </div>
    <div class="c1">
        <p>外设/游戏</p>
        <ul>
            <li>键盘</li>
            <li>鼠标</li>
            <li>U盘</li>
            <li>移动硬盘</li>
            <li>游戏设备</li>
            <li>智能单车</li>
        </ul>
    </div>
</div>
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